I have posted this issue in the installation section but received a suggestion that the issue was network related so Í will raise it here
I am unable to install the latest patches/updates because the connection stalls out during the download. Looking at network issues in general I came across the suggestion to turn IPV6 off which I have done and try less than 1500 for the MTU value neither of which appear to make any difference. I have tried Apper, Yast and zypper but all fail in the same way.
At the moment I am booted into a different partition (Linux Mint debian) and there appears to be no problem with the hardware set up as I am currently installing about 50 MB of new software via Synaptic without any apparent issues. I also, in the spirit of enquiry, downloaded a file from an OpenSuse update repository from this partition, again with no apparent problems… Whilst in OpenSuse I ran a TestMy.net Broadband Internet Speed Test test getting a value 823 Kbps down and 274 Kbps up - not very fast but about par for the course at a time when there is higher demand on the ISP
So, it seems to me that there is some issue in the network configuration in OpenSuse producing the problem. but I stand to be corrected as i come at this from common sense rather than any position of expertise.
The installation is OpenSuse 12.3 64bit and the physical network is a fixed wireless tower (WiMax the ISP says) to an antenna and modem to a router and wireless to this box.
Any suggestions would be appreciated as I am running out of low level sorts of things to try! Thanks.